W7-X Plasma Ring earrings
A pair of earrings: the plasma of a fusion stellarator, as a pendant
Wendelstein 7-X, in Greifswald, holds its plasma with magnetic fields alone. The field lines wind around and around and never leave one twisted, five-fold surface. We took that surface from the published equilibrium and cast it.
B · ∇ψ = 0R = Σ Rₘₙ cos(mθ − 5nφ)
- Size
- ≈ 14 × 16 mm each
- Weight
- ≈ 1.5 g
- Material
- 316L stainless steel, PVD
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